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Finding the Third Proportional to 542,700 and 797,788

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Solution

The third proportional to 542,700 and 797,788 is: 1,172,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,700 : 797,788 = 797,788 : x
  2. Step 2: Convert to fraction form
    542,700/797,788 = 797,788/x
  3. Step 3: Cross multiply
    542,700x = 797,788 × 797,788
  4. Step 4: Simplify right side
    542,700x = 636,465,692,944
  5. Step 5: Solve for x
    x = 636,465,692,944/542,700
  6. Step 6: Final answer
    x = 1,172,776.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.